Reactivity of 5-Methylpyridyl-2-Selenolate With Platinoid Metal Precursors: Isolation of Tri and Hexanuclear Complexes via Se-Se and Se-C Bond Cleavage
- Award ID(s):
- 2117502
- PAR ID:
- 10563825
- Publisher / Repository:
- Springer Nature
- Date Published:
- Journal Name:
- Journal of Cluster Science
- Volume:
- 35
- Issue:
- 5
- ISSN:
- 1040-7278
- Page Range / eLocation ID:
- 1549 to 1560
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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This article reviews the history and the current state of knowledge concerning the ability of the heavy chalcogen atoms S and Se, and to some extent Te, to participate in a H-bond as either proton donor or acceptor. These atoms are nearly as effective proton acceptors as O, and only slightly weaker as donor. They can also participate in chalcogen bonds where they act as electron acceptors from a nucleophile. These bonds rapidly strengthen as the chalcogen atom becomes larger: S < Se < Te, or if they are surrounded by electron-withdrawing substituents, and can exceed that of many types of H-bonds. Experimental and computational evidence indicates that both H-bonds and chalcogen bonds involving S and Se occur widely in chemical and biological systems, and play an active role in structure and function.more » « less
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